﻿/*******************************************************************************
牛牛截图的JS部分的核心流程封装在此文件中，绝大部分情况下，您不需要修改此文件中的JS内容，它已经包含了在所有浏览器上应用
牛牛截图所需要的所有代码，您只需要去修改capturewrapper.js，将相应的函数修改成与您的UI匹配的即可 
*******************************************************************************/

/*******************************************************************************/
//设置截图的参数  
var emPensize = 1;		//设置画笔大小
var emDrawType = 2;		//设置是腾讯风格还是360风格 0： 腾讯风格   1： 360风格
var	emTrackColor = 3;		//自动识别的边框的颜色
var	emEditBorderColor = 4;	//文本输入的边框颜色
var	emTransparent = 5;		//工具栏的透明度
var	emWindowAware = 6;		//设置是否禁用随着DPI放大
var	emSetSaveName = 8;		//设置保存时的开始文字     免费版本无效
var	emSetMagnifierBkColor = 9; //设置放大镜的背景色，不设置则透明
var	emSetMagnifierLogoText = 10; //设置放大镜上的LOGO字符，可提示快捷键，如： 牛牛截图(CTRL + SHIFT + A)     免费版本无效
var emSetWatermarkPictureType = 20;						//设置水印的类型 
var	emSetWatermarkPicturePath = 21;						//设置水印的路径 
var	emSetWatermarkTextType = 22;						//设置水印文字的类型 
var	emSetWatermarkTextValue = 23;                       //设置水印文字的字符串
var emSetMosaicType = 24;               //指定马赛克的类型，1为矩形，2为画线 
var emSetTooltipText = 25;               //用于设置工具栏图标的TOOLTIP文字 
var emSetMoreInfo = 26;							//设置额外的信息，用于特殊需求 
/*******************************************************************************/


var emClosed = 1;
var emConnected = 2;
var emConnecting = 3;

var emCaptureSuccess = 0;
var emCaptureFailed = 1;
var emCaptureUnknown = 2;

var emCmdReady = -1;
var emCmdCapture = 0;
var emCmdSaveFile = 1;


function isMacintosh() {
  return navigator.platform.indexOf('Mac') > -1;
}

function rgb2value(r, g, b)
{
    return r | g << 8 | b << 16;
}

var captureObjSelf = null;
function onpluginLoaded()
{
    captureObjSelf.pluginLoaded();
}

function NiuniuCaptureObject() 
{
    var self = this;
    captureObjSelf = this;
    this.PenSize = 2;
    this.DrawType = 0;
    this.TrackColor = rgb2value(255, 0, 0);
    this.EditBorderColor = rgb2value(255, 0, 0);
    this.Transparent = 240;
    this.WindowAware = 1;
    this.MosaicType = 1;
    this.SaveName = "测试保存";
    this.MagnifierLogoText = "测试截图";
    this.WatermarkPictureType = "2|100|100|400|400|20";
    this.WatermarkPicturePath = "";
    this.WatermarkTextType = "2|100|100|100|40|20|0|150|30|80,55,55,55";
    this.WatermarkTextValue = "";
    this.NiuniuAuthKey = "";
    this.ToolTipText = "";  //tipRectangle|tipCircle|tipArrow|tipBrush|tipGlitter|tipMosaic|tipText|tipUndo|tipSave|tipCancel|tipFinish|txtFinish
    this.MoreInfo = "1,100|300|600";
	
    this.useCustomizedProtoco = true;   //是否使用浏览器自定义协议加websocket 
    
    this.IsWaitCustomizedCallBack = false;
	this.autoConnectAfterPageLoad = true;
	this.IsFirstConnect = true;
	this.IsEverConnected = false;
	this.reconnectTryTime = 0;
	this.TimeIntervalID = -1;
	this.ReceivedEchoBack = false;
	
	this.Version = "1.0.0.0";
    this.hostPort = "30101,30102";  
	this.hostPortIndex = 0;
    this.CaptureName = "NiuniuCapture";  
    this.NiuniuSocket = null;
    this.connectState = emClosed;
    
	this.SocketTimeStamp = new Date().getTime();
	this.TimeOutID = -1;
	
    this.FinishedCallback = null;
    this.PluginLoadedCallback = null;
    this.VersionCallback = null;
	this.OnConnectFailed = function(isReconnect)
	{
		self.WriteLog(isReconnect ? "reconnect failed, the capture control process is exit." : "connect failed at the first time.");
	}
	
    this.LoadPlugin = function()
    {
        var obj = $('#capturecontainer');
        if(obj.length < 1)
        {
            $("body").append('<div id="capturecontainer" style="height:0px;width:0px;"></div>');
            obj = $('#capturecontainer');
        }        
        obj.html('');
        obj.html('<object id="niuniuCapture" type="application/x-niuniuwebcapture" width="0" height="0"><param name="onload" value="onpluginLoaded" /></object>');
		
		var iframeObj = $('startCaptureFrame');
		if(iframeObj.length < 1)
		{
			$("body").append('<iframe id="startCaptureFrame" style="display:none;"></iframe>');			
		}
    }
    
    this.niuniuCapture = function ()
    {
        return document.getElementById('niuniuCapture');
    }
        
    this.addEvent = function(obj, name, func)
    {
        if (obj.attachEvent) {
            obj.attachEvent("on"+name, func);
        } else {
            obj.addEventListener(name, func, false); 
        }
    }
    
    this.pluginValid = function()
    {
        try
        {
            if(self.niuniuCapture().valid)
            {
                return true;
            }
        }
        catch(e)
        {
        }
        return false;        
    }

    this.OnCaptureFinished = function(x, y, width, height, content,localpath) 
    {
	    self.OnCaptureFinishedEx(1, x, y, width, height, "", content,localpath);      
    }
    
    this.OnCaptureFinishedEx = function(type, x, y, width, height, info, content,localpath) 
    {
        //交给上层去处理截图完成后的事项 
        if(self.FinishedCallback != null)
        {
            self.FinishedCallback(type, x, y, width, height, info, content,localpath);
        }
        else
        {
            alert("截图完成的事件未绑定，将不能对图片进行处理，请指定FinishedCallback回调函数");
        }
    }
    
    this.pluginLoaded = function()
    {
		self.GetVersion();
        if(!self.pluginValid())
        {
            if(self.PluginLoadedCallback != null)
            {
                self.PluginLoadedCallback(false);
            }
            return false;
        }   
        
        //此函数必需调用，传递正确的参数，且必需先于其他函数调用  
        self.niuniuCapture().InitCapture(self.NiuniuAuthKey); 
        
        self.niuniuCapture().InitParam(emPensize, self.PenSize);
        self.niuniuCapture().InitParam(emDrawType, self.DrawType);
        self.niuniuCapture().InitParam(emTrackColor, self.TrackColor);
        self.niuniuCapture().InitParam(emEditBorderColor, self.EditBorderColor);
        self.niuniuCapture().InitParam(emTransparent, self.Transparent);
         
        self.niuniuCapture().InitParam(emSetSaveName, self.SaveName);            
        self.niuniuCapture().InitParam(emSetMagnifierLogoText, self.MagnifierLogoText);
        self.niuniuCapture().InitParam(emSetMosaicType, self.MosaicType);
        
        //设置工具栏上的按钮TOOLTIP  
        self.niuniuCapture().InitParam(emSetTooltipText, self.ToolTipText);
		
		self.niuniuCapture().InitParam(emSetMoreInfo, self.MoreInfo);
        //niuniuCapture().InitParam(23, "测试文字.");
        //此BASE64字符串表示牛牛默认的水印图片，可以替换
       // niuniuCapture().InitParam(21, "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");
         //注：以上设置LOGO及保存名的接口，免费版本无效
        
        //添加控件的事件监听 
	    self.addEvent(self.niuniuCapture(), 'CaptureFinishedEx', self.OnCaptureFinishedEx);
	    //以下这个事件主要是用于兼容旧的浏览器控件的事件通知
	    self.addEvent(self.niuniuCapture(), 'CaptureFinished', self.OnCaptureFinished);
    	
    	
    	if(self.PluginLoadedCallback != null)
        {
            self.PluginLoadedCallback(true);
        }
    }
    
    this.SetWatermarkPicture = function(watermarPicData)
    {
          self.WatermarkPicturePath = watermarPicData;
          //设置测试的水印图片的Base64字符串，此操作应该是在页面加载中处理比较合适 
          if(!self.pluginValid())
            return;
          self.niuniuCapture().InitParam(emSetWatermarkPicturePath, self.WatermarkPicturePath);        
          self.niuniuCapture().InitParam(emSetWatermarkPictureType, self.WatermarkPictureType);
    }

    this.SetWatermarkText = function(watermarkText)
    {
        self.WatermarkTextValue = watermarkText;
        //设置测试的水印文字，此操作应该是在页面加载中处理比较合适 
        if(!self.pluginValid())
            return;
		//nShowType|nMinWidth|nMinHeight|nVerticalInterval|nOffset|nFontSize|nIsBold|nTextWidth|nTextHeight|colorText
		 self.niuniuCapture().InitParam(emSetWatermarkTextValue, self.WatermarkTextValue);
         self.niuniuCapture().InitParam(emSetWatermarkTextType, self.WatermarkTextType);
    }
    
    
    this.SavePicture = function(savename)
    {
         if(self.pluginValid())
         {
            self.niuniuCapture().SavePicture(savename);
         }
    }
    
    this.GetCursorPosition = function()
    {
        if(self.pluginValid())
        {
            var val = self.niuniuCapture().GetCursorPosition();
            return val;
        }
        return "";
    }
        
    this.NewCaptureParamObject = function(defaultpath, hideCurrWindow, autoCaptureFlag, x, y, width, height)
    {  
        var obj = new Object(); 
        obj.CmdType = 1;
        obj.IsGBK = 0;				//是否是GBK编码，这样会涉及到编码转换  
        obj.AuthKey = self.NiuniuAuthKey;  //						
	    obj.Pensize = self.PenSize;		//设置画笔大小
	    obj.DrawType = self.DrawType;			//设置是腾讯风格还是360风格
	    obj.TrackColor= self.TrackColor;		//自动识别的边框的颜色
	    obj.EditBorderColor= self.EditBorderColor;	//文本输入的边框颜色
	    obj.Transparent = self.Transparent;		//工具栏的透明度
	    obj.SetSaveName = self.SaveName;									//设置保存时的开始文字
	    obj.SetMagnifierLogoText = self.MagnifierLogoText;						//设置放大镜上的LOGO字符   
	    obj.SetWatermarkPictureTypeEx = self.WatermarkPictureType;						//设置水印的类型 
	    obj.SetWatermarkPicturePath = self.WatermarkPicturePath;						//设置水印的路径 
	    obj.SetWatermarkTextTypeEx=self.WatermarkTextType;							//设置水印文字的类型 
	    obj.SetWatermarkTextValue= self.WatermarkTextValue;						//设置水印文字
        obj.MosaicType = self.MosaicType;          //设置马赛克的类型 
        obj.SetToolbarText = self.ToolTipText;
        obj.MoreInfo = this.MoreInfo;
	    //以下是截图时传递的参数 
	    obj.DefaultPath = defaultpath;
	    obj.HideCurrentWindow = hideCurrWindow;
	    obj.AutoCaptureFlag = autoCaptureFlag;
	    obj.x = x;
	    obj.y = y;
	    obj.Width = width;
	    obj.Height = height;
        return obj; 
    } 
    
    this.DoCapture = function(name, hide, AutoCapture, x, y, width, height)
    {        
        if(self.IsNeedCustomizedProtocol())
        {
             return self.DoCaptureForCustomize(name, hide, AutoCapture, parseInt(x), parseInt(y), parseInt(width), parseInt(height));
        }
                 
        if(!self.pluginValid())
        {
            return emCaptureFailed;
        }
        self.niuniuCapture().Capture(name, hide, AutoCapture, x, y, width, height);
        return emCaptureSuccess;            
    }
 
    this.InitNiuniuCapture = function()
    {
        self.LoadPlugin();
	    setTimeout("captureObjSelf.InitWebSocketAndBindCallback();", 200);
    }
        
    this.InitWebSocketAndBindCallback = function()
    {
		if(!self.autoConnectAfterPageLoad || !self.IsNeedCustomizedProtocol())
		{
			return;
		}
	    self.connectHost();
    }
    
	this.getNextPort = function()
	{
		//init port params flag
		//进行拆分处理 self.hostPort;
		var portArray = self.hostPort.split(",");
		if(portArray.length < 1)
		{
			alert("服务端口为空");
			return 30101;
		}
		if(self.hostPortIndex < 0)
		{
			self.hostPortIndex = 0;				
		}
		if(self.hostPortIndex > portArray.length - 1)
		{
			self.hostPortIndex = portArray.length - 1;				
		}
		var nPort = parseInt(portArray[self.hostPortIndex]);
		self.hostPortIndex++;
		if(self.hostPortIndex > portArray.length - 1)
		{
			self.hostPortIndex = 0;				
		}	
		return nPort;
	}
	
    this.connectHost = function()
    {
			if(self.NiuniuSocket != null)
			{
				self.WriteLog("connectHost NiuniuSocket is not null, return.");
				return;
			}
			clearTimeout(self.TimeOutID);
			self.connectState = emConnecting;
			
			
			try{
				var wshosts = ['127.0.0.1', 'localhost'];
				for (var i in wshosts) {
					try{
						var host = "ws://127.0.0.1:" + self.getNextPort() + "/" + self.CaptureName;
						self.NiuniuSocket = new WebSocket(host);
						break;
					}
					catch(ee){
						var ggg= 0;
					}
				}
								
				//OutputLog('Socket Status: '+socket.readyState);
				self.NiuniuSocket.onopen = function(evt){					
					self.NiuniuSocket.send('0' + self.SocketTimeStamp);
					self.WriteLog("NiuniuSocket.onopen.");
					clearTimeout(self.TimeOutID);
				}
				
				self.NiuniuSocket.onmessage = function(msg){
					var str = "";
					str = msg.data;
					var id  = str.substr(0, 1);
					var arg1 = str.substr(1);
					clearTimeout(self.TimeOutID);
					if(id == "0"){
						self.hostPortIndex--;
						//表示连接成功，此时应该提示可以截图了 
						self.connectState = emConnected;
						self.pluginLoaded();
						self.IsEverConnected = true;
						self.IsFirstConnect = false;
						if(self.IsWaitCustomizedCallBack)
						{
						    setTimeout("captureObjSelf.SendReadyRecvData();", 3);
						}
						self.WriteLog("connect sucess.");
						self.ReceivedEchoBack = true;
						clearInterval(self.TimeIntervalID);
						self.TimeIntervalID = setInterval("captureObjSelf.LoopEchoMessage()", 3000);
					}
					if(id == "1"){
						//解析消息 
						var _aoResult = eval("(" + arg1 + ")");
						self.ReceivedEchoBack = true;
						if(_aoResult.command == "echo")
						{					
							self.WriteLog("received echo");
							return;
						}
						self.WriteLog("received capturedata.");
						if(_aoResult.command == "version")
						{
							self.WriteLog(_aoResult.Ver);
							self.VersionCallback(_aoResult.Ver);
						}
						else{
							self.OnCaptureFinishedEx(_aoResult.Type, _aoResult.x, _aoResult.y, _aoResult.Width, _aoResult.Height, _aoResult.Info, _aoResult.Content, _aoResult.LocalPath);						
						}
					}														
				}
				
				self.NiuniuSocket.onclose = function(evt){
					self.OnWebSocketError("self.NiuniuSocket.onclose." + evt.data);
				}	
				self.NiuniuSocket.onerror = function (evt) {					
					//self.OnWebSocketError("self.NiuniuSocket.onerror." + evt.data);
				  };
					
			} catch(e){
				self.OnWebSocketError("connect exception." + e.message);
			}
    }
    
	this.WriteLog = function(txt)
	{
		//写日志 
		try{
			console.log(txt);
		}
		catch(e)
		{
			
		}
	}
	
	this.OnWebSocketError = function(type)
	{		
		//如果不处于连接成功状态，说明不是断开连接，而是连接失败 
		var isConnectedFailed = false;
		if(self.connectState != emConnected)
		{
			isConnectedFailed = true;
		}
		self.WriteLog(type);
		self.ReceivedEchoBack = false;
		self.connectState = emClosed;		
		
		if(self.NiuniuSocket != null)
		{
			self.NiuniuSocket.close();
		}
		
		self.NiuniuSocket = null;
		clearTimeout(self.TimeOutID);
		clearInterval(self.TimeIntervalID);
		
		if(isConnectedFailed)
		{
			if(self.IsFirstConnect)
			{
				self.IsFirstConnect = false;
				if(self.OnConnectFailed != null)
				{
					self.OnConnectFailed(false);	
				}
				return;
			}
			
			if(self.IsEverConnected)
			{
				self.reconnectTryTime++;
				//通知连接连接断开
				if(self.reconnectTryTime > 3)
				{
					self.IsEverConnected = false;
					self.reconnectTryTime = 0;
					if(self.OnConnectFailed != null)
					{
						self.OnConnectFailed(true);	
					}			
					return;
				}
			}
		}
		
		self.TimeOutID = setTimeout("captureObjSelf.connectHost();", 800);
	}
	
	this.LoopEchoMessage = function()
	{
		if(!self.ReceivedEchoBack)
		{
			self.OnWebSocketError("this.LoopEchoMessage, !self.ReceivedEchoBack");
			self.ReceivedEchoBack = false;
			clearInterval(self.TimeIntervalID);
			self.TimeIntervalID = setInterval("captureObjSelf.LoopEchoMessage()", 3000);
			return;
		}
		self.ReceivedEchoBack = false;
		clearTimeout(self.TimeOutID);
		if(self.connectState != emConnected)
		{
			clearInterval(self.TimeIntervalID);
			return;
		}		
		var obj = new Object(); 
		obj.command = "echo";
		self.NiuniuSocket.send("1" + encodeURIComponent( $.toJSON(obj)) );		
	}
	
    this.SendReadyRecvData = function()
    {
		self.WriteLog("SendReadyRecvData.");
        var obj = self.NewCaptureParamObject("", 0, 0, 0, 0, 0, 0);
		obj.CmdType = -1;
		self.NiuniuSocket.send("1" + encodeURIComponent( $.toJSON(obj)) );
    }

    this.DoCaptureForCustomize = function(name, hide, AutoCapture, x, y, width, height)
    {
        var obj = self.NewCaptureParamObject(name, hide, AutoCapture, x, y, width, height);
	    try
	    {
    		//启动客户端，或者通过websocket去发送数据   
    		if(self.connectState == emConnected)
    		{
				var json = $.toJSON(obj);
    		    self.NiuniuSocket.send('1' + encodeURIComponent(json) );
    		}
		    else
		    {
				//首次启动时，不支持水印，否则会过长 
				obj.SetWatermarkPicturePath = "";
				//obj.SetWatermarkTextValue = "";	
				var json = $.toJSON(obj);
				self.WriteLog(json.length);
				var newUrl = self.CaptureName + "://" + encodeURIComponent(json);
				self.WriteLog(newUrl.length);
				
		        //启动客户端  
				$('#startCaptureFrame').attr('src', newUrl);
		        
		        self.IsWaitCustomizedCallBack = true;
				self.connectHost();
				return emCaptureUnknown;
		    }
		    
	        return emCaptureSuccess;
	    }
	    catch(e)
	    {
    		alert(e.message);
	    }  
	    return emCaptureUnknown;       
    }
    
    
    this.IsNeedCustomizedProtocol = function()
    {
		if(isMacintosh())
		{
			return true;
		}
        if(!self.useCustomizedProtoco)
        {
            return false;
        }
        
        if(self.pluginValid())
        {
            return false;
        }
        
        try
        {
            var agent = window.navigator.userAgent.toLowerCase();       
			var isIE = agent.indexOf("compatible") > -1 && agent.indexOf("msie") > -1;
			if(isIE)
			{
				return false;
			}
			
			var isIE11 = agent.indexOf('trident') > -1 && agent.indexOf("rv:11.0") > -1;
			if(isIE11)
			{
				return false;
			}
            var isQQBrowser = agent.indexOf("qqbrowser") != -1;
            //if(isQQBrowser)
            //{
            //    return false;
            //}
			var isUBrowser = agent.indexOf("ubrowser") != -1;
			if(isUBrowser)
            {
                return false;
            }
			
            //如果是firefox 且在50版本以上，则需要             
			var isFirefox = agent.indexOf("firefox") != -1;
			if(isFirefox)
            {
                return true;
            }
			
			var isEdge = agent.indexOf("edge") != -1;
			if(isEdge)
            {
                return true;
            }
			
            var isChrome = agent.indexOf("chrome") != -1;
            if(isChrome)
            {
				return true;
            }
            return false;
        }
        catch(e)
        {
			WriteLog("IsNeedCustomizedProtocol exception: " + e.message);
        }
        return true;    
    }
	
	this.GetVersion = function()
	{
        if(self.IsNeedCustomizedProtocol())
        {
			if(self.connectState != emConnected)
			{
				return;
			}		
			var obj = new Object(); 
			obj.command = "version";
			self.NiuniuSocket.send("1" + encodeURIComponent( $.toJSON(obj)) );
			return;
        }
                 
        if(!self.pluginValid())
        {
            return;
        }
        var verSion = self.niuniuCapture().GetVersion();
		self.VersionCallback(verSion);
		self.WriteLog(verSion);
	}
}